feat: support show cluster alive; and show db.alive;

* add os subtest

* fix/test.cpp include header file
Co-authored-by: Nfacetosea <25808407@qq.com>

fix: insert into select with disorder column issue

Update 29-changes.md

enh: remove asserts

feat: support writing streams to existing tables

* enh/TD-21425/windows print trace

* enh/windows trace test

* fix/check calloc failed

* enh/windows print,stack size hard code

fix(meta/assert/cleanup): remove asserts

feat(stream):stream insert data into an existing table

merge from main to 3.0

Update 20-keywords.md

Update 20-keywords.md

ADD ALIVE TO RESERVED KEYWORDS

add alive to keywords

fix: support_vnodes and the max supported vgroups mis-match

fix: set dnode online after status check success

Co-authored-by: Nfacetosea <25808407@qq.com>

* fix/TD-20817-mac-fqdn use localhostname

* fix/TD-20817-mac-fqdn redundant codes

* fix/TD-20817-mac-fqdn,replace command with api
Co-authored-by: Nfacetosea <25808407@qq.com>
Co-authored-by: Shuduo Sang <sangshuduo@gmail.com>

fix: covert scalar param to data block